Long Island, channel between Nixs Mate and. See Boston Harbor, Mass.
Long Island Sound, removal of wrecks in .............

Long Sand Shoal, Long Island Sound, removal of wreck near.
Lookout, Cape, light-house, removal of wrecks near........
Loreauville, La., construction of bridge across Bayou Teche near.
Louisa, Ky., construction of lock and dam in Big Sandy River near..
Louisville and Portland Canal, Ohio River, operating and care of........
Louisville, Ky., Falls of Ohio River at:
Improvement of....

Improvement of Indiana Chute..

Operating and care of Louisville and Portland Canal

Lower Chipola River, Fla., improvement of

Lower Machodoc Creek, Va., improvement of

Lubec Channel, Me., improvement of

Ludington Harbor, Mich., improvement of.

Lulu (schooner), removal of wreck of...

Lumber River, N. C. and S. C., improvement of
Lynn Harbor, Mass., improvement of

1, 82, 712, 714
1, 82, 714
I, 168; 11, 1065
I, 429
1,305; III, 1992
I, 295; III, 1935

1, 293; III, 1929
1,295; 11, 1933
1, 295; III, 1935
1, 197; 11, 1252
1, 141; II, 950
I, 21. 491

1, 348; IV, 2220

I, 152; II, 987
I, 169; II, 1071
1, 42, 545

M.

McClary, Fort, reservation, Me., site for fortification

McHenry, Fort, Md., sea wall at.

McIntyre, Fla., alteration of bridge obstructing Ocklochonee River.

Machodoc (Lower) Creek, Va., improvement of.

Mackeys Creek, N. C., improvement of.

Macon, Bayou, La., improvement of.

Malden River, Mass., improvement of.

Manasquan River, N. J., improvement of.

Manatee River, Fla., improvement of..

Manchac, Bayon, La., improvement of..

Manchester Harbor, Mass., improvement of

I, 13

I, 14
I, 431

I, 141; II, 950
1, 155; II, 995
1, 244; II, 1479

1, 43, 547
1, 107, 822
1, 192; 11, 1238
1, 222; II, 1354
1, 41, 542
1,427
1,348; IV, 2223
I, 427

Manistee, Mich., construction of bridge across Manistee River by city of

Manistee Harbor, Mich., improvement of.

Manistee River, Mich., construction of bridge at Manistee

1, 315; IV, 2042
1, 323; IV, 2072
I, 130; II, 901
I, 443

1, 112; II, 848
1, 313; IV, 2035

I, 51, 576

1, 63, 619

Martins Ferry, Ohio, establishment of harbor lines in Ohio River.... 1, 423; III, 1894

Maurice River Cove, Delaware Bay, removal of wreck in..
Menominee Harbor, Mich. and Wis., improvement of..
Menominee River, Mich. and Wis., improvement of .
Mermentau River and tributaries, La., improvement of
Merrimac River, Mass.:

Bridge between Haverhill and Bradford obstructing, alteration of.
Improvement of..

Messer, Laura E. (schooner), removal of wreck of

Metropolitan West Side Elevated Railroad Company, bridge of
Mianus River, Conn., improvement of

Michigan, Lake:

Michigan City Harbor, Ind., improvement of..

Middle Ground (Outer), Chesapeake Bay, removal of wreck on.
Mifflin, Fort, Pa., sale of Government land on Delaware River in vicinity of.
Milford Harbor, Conn., improvement of

Military and other maps..

I, 461

1, 70, 650
I, 443

1, 325; IV, 2081
1,325; IV, 2081

Military departments, surveys, reconnaissances, and explorations in.. 1, 443; VI, 3451
Mill Creek, Cincinnati, Ohio, examination and survey for ice harbor at mouth

Improvement of harbor of refuge at Milwaukee Bay

Milwaukee Bay, Wis., improvement of harbor of refuge at

Mines, submarine..

Mingo Creek, S. C., improvement of.

Mining casemates

Mining, hydraulic, in California...

Minnesota River, Minn., improvement of

Mispillion River, Del.:

Improvement of

Removal of wreck in..

Mississippi River:

...

1, 289; III, 1890

I, 95, 786

1, 326; IV, 2091

1,6

1.6

Bridge at Red Wing, Minn., construction of

Bridge at South St. Paul, Minn., construction of

1, 170; II, 1081

Des Moines Rapids Canal and dry dock, operating and care of.. 1, 263; 111, 1684

Minneapolis to Missouri River, improvement from..

Minneapolis to St. Paul, construction of locks and dams from.

Ohio River, improvement, surveys, etc., below..
Ohio and Missouri rivers, improvement between.

Plaquemine, Bayou, La., prevention of caving at mouth of.

Quincy Bay, Ill., improvement of.

Reservoirs at headwaters of.

Reservoirs at sources of, surveys for.

St. Louis, Mo., improvement at

Snag boats and dredge boats on upper river, operating

Snags and wrecks in lower river, removing.

South Pass, inspection of improvement of

Walnut Bend, Ark., examination for prevention of cut into St. Francis

River

Mississippi River Commission

Mississippi Sound, removal of wreck in

Missouri, Department of the, report of engineer officer..

Missouri River:

Bridge at Yankton, S. Dak., construction of..

Establishment of harbor lines at Kansas City.

1, 225; III, 1560
1, 420; v, 2697
1, 232; III, 1384
1, 443; VI, 3451
I, 425

1, 423; VI, 3159

Examination of, between Three Forks and Canyon Ferry, Mont., to deter-

Mobile, Ala., alteration of bridge across Three Mile Creek,near.

Mobile and Birmingham Railway Company, bridge of..

Mobile and Dauphin Island Railroad and Harbor Company, bridges

of

Monomoy life-saving station, Mass., removal of wreck near.

Monomoy Point, Mass., removal of wrecks at and near.

Monomoy Point light-house, Mass., removal of wrecks near.
Monongahela River, W. Va. and Pá.:

Bridge at Pittsburg, Pa., construction of.
Construction of locks and dams on

Improvement of..

Operating and care of locks and dams Nos. 8 and 9

Purchase of Lock and Dam No. 6.

Purchase of Lock and Dam No. 7.

Monroe, Fort, Va., water supply at
Monroe Harbor, Mich..

1, 63, 616

I, 430

1, 430
I, 426

1, 210; 1, 1301
1, 219; II, 1332
1, 399; IV, 2531

I, 63, 618

1, 62, 607
1, 62, 63, 606, 608
1, 63, 616, 617

Monroe, Loring (canal boat), removal of wreck of

Montgomery, Ala., construction of bridge across Alabama River near..
Montgomery Bridge Company, bridge of..
Moon, W. H. (dredge), removal of wreck of..
Moosabec Bar, Me., improvement of

Morristown, N. Y., construction of bridge across St. Lawrence River.
Mortar batteries..

Mortar platforms.

1, 232; 111, 1383
I, 21, 492
1,425

1, 5, 11, 12

Mount Pleasant shore, Charleston Harbor, S. C., improvement of. I, 172; II, 1101
Mount Vernon (schooner), removal of wreck of, in Maurico River Cove, Dela-
ware Bay.

Mount Calvert, Md., construction of bridge across Patuxent River.
Mount Desert, Me., construction of breakwater from Porcupine Island to... 1, 23, 496
Mount Pleasant and Seaview Railroad Company, bridge of..

....

I, 12

1,428

1, 431

II, 862

Mount Vernon (schooner), removal of wreck of, in Root River, Wis.. 1, 330; IV, 2124
Murderkill River, Del., improvement of....

Muscle Shoals Canal, Tennessee River, Ala., operating and care of...
Muskegon Harbor, Mich., improvement of....
Muskingum River, Ohio:

Construction of ice harbor at mouth of.
Improvement of....

Operating and care of locks and dams on.

Mystic River, Conn., improvement of.

Mystic River, Mass., improvement of

1, 121; II, 879
1, 284; III, 1828
1,345; IV, 2211

1, 288; 111, 1874
1, 288; 1, 1875
1, 289; III, 1876

I, 64, 622

1, 43, 547

N.

N. and W. No. 4 (barge), removal of wreck of..
Nansemond River, Va., improvement of

Nantasket Beach Channel, Mass. See Boston Harbor.
Nantucket, Mass., improvement of harbor of refuge at
Nantucket Sound, Mass., removal of wrecks in and near.
Napa, Cal., establishment of harbor lines

Napa River, Cal.:

Establishment of harbor lines at Napa.
Improvement of..

Narragansett Bay, R. I:

Defense of

Improvement of.

Narraguagus River, Me., improvement of.

Narrows of Lake Champlain, N. Y. and Vt., improvement of

Natalbany River, La., improvement of.

Nautilus Shoal, Chesapeake Bay, removal of wreck on.

Navigable waters, construction of bridges across .

Navigation, bridges obstructing, action upon

Nehalem Bay, Oreg., improvement of entrance to.

Improvement of

1, 62, 612
I, 148; 11, 978

1, 50, 573
1, 62, 63, 604, 612, 620
I, 424; IV, 2522

I, 424; IV, 2522

1, 393; IV, 2507

1, 6, 7
I, 56, 589
1, 22, 494

1, 392; IV, 2493
1, 221; III, 1352
I, 152; 11, 987

I, 20, 424

1, 20, 430

1, 232; 11, 1381
1, 407; IV, 2588

Neches River, Tex., improvement of..

Neuse River, N. C.:

Improvement of waterway between Beaufort Harbor and

New Bedford Harbor, Mass., improvement of.

New Castle, Del., improvement of ice harbor at

New Haven Harbor, Conn.:

Construction of breakwaters in..

Improvement of.

Removal of wreck in..

New Jersey, channel between Staten Island and, improvement of
New River, N. C. :

Improvement of.

Improvement of waterway between Beaufort Harbor and.
Improvement of waterway between Swansboro and..

New River, Va. and W. Va., improvement of.

New York Central and Hudson River Railroad Company, bridge of..

Channel between Staten Island and New Jersey, improvement of
Davids Island, sea wall and embankment at

New York Harbor, N. Y.-Continued.

Defense of....

East River and Hell Gate, improvement of..
Governors Island, sea wall and embankment at.
Gowanus Bay, improvement of....

Gowanus Creek Channel, improvement of.
Harbor lines in Harlem River, modification of.
Harlem River, improvement of.

Harlem River, modification of harbor lines in
Improvement of......

Red Hook Channel, improvement of
Sea walls and embankments.
Supervision of ..

Wrecks, removal of

Newbern, N. C.:

Bridge obstructing Trent River, alteration of

Improvement of waterway between Beaufort Harbor and.

Newburyport Harbor, Mass., improvement of...

Newport Harbor, R. I., improvement of......

Newport River, N. C., improvement of waterway via.
Newtown Creek, N. Y., improvement of.

Niagara Falls, N. Y., improvement of Niagara River to
Niagara River, N. Y.:

Establishment of harbor lines at Squaw Island..

Improvement of, from Tonawanda to Port Day (Niagara Falls)..
Improvement of Tonawanda Harbor and

Nixs Mate, channel between Long Island and. See Boston Harbor,
Nomini Creek, Va., improvement of.
Nooksack River, Wash., improvement of (Puget Sound and tributaries).
Norfolk Harbor, Va.:

Improvement of, and approaches

Improvement of approach to, between Lambert Point and
folk

I, 159; II, 1030

I, 36, 529

I, 57, 593
1, 159; II, 1030
1, 89, 757
2447

1, 381; IV,

1, 424; IV, 2452
1, 381; Iv, 2447
1, 381; IV, 2444
Mass.

1, 140; II, 948
1, 412; iv, 2619

1, 146; 11, 973
Fort Nor-

I, 147; II, 977
1,151; 11, 983
I, 147; II, 977

Improvement of waterway between Albemarle Sound and.
Norfolk, Va., improvement of approach to U. S. navy-yard at..
Norfolk (West), Va., construction of bridge across Western Branch of Eliza-
beth River..

North East (Cape Fear) River, N. C., improvement of.
North Landing River, Va. and N. C., improvement of
Northern and Northwestern Lakes:

Charts, correcting, printing, and issuing of..
Estimates...

Improvement of channels in connecting waters of.
Raft-towing on, and connecting waters
Surveys

Water levels.

Northwestern Elevated Railroad Company, bridge of..
Nortons Creek, N. Y., construction of bridge at Hempstead.
Noxubee River, Miss., improvement of

I, 429

I, 163; II, 1040
I, 152; II, 986

1, 438, 440; VI, 3315

I, 441

1, 361; IV, 2261
1,368; IV, 2378
1, 437; VI, 3315

1, 441; VI, 3319, 3430

0.

Oak Orchard Harbor, N. Y., improvement of..

Oakland Harbor, Cal.:

Establishment of harbor lines..

Improvement of

Obion River, Tenn., improvement of.

Obstructions to navigation, action upon bridges constituting.

Occoquan Creek, Va., improvement of.

Occupancy of structures built by the United States

Ocean Traveller (schooner), removal of wreck of

Ocklawaha River, Fla., improvement of.

1, 383; IV, 2451

1, 424; IV, 2505, 2506
I, 392; IV, 2501
1, 273; II, 1785
1, 20, 430
I, 138; II, 941

1, 20, 431; VI, 3189
1, 62, 606

Ocklochonee River, Fla., alteration of bridge obstructing, at McIntyre

Ocmulgee River, Ga., improvement of..

Oconee River, Ga., improvement of..

Oconto Harbor, Wis.:

Modification of harbor lines..

Improvement of

Ocracoke Inlet, N. C., improvement of.

1, 187; II, 1221
I, 431

I, 179; II, 1181
.1, 179; 11, 1175

1,424; IV, 2124
1, 317; IV, 2049
I, 155; 11, 996

Office of the Chief of Engineers.

Officers of Corps of Engineers. See Corps of Engineers.
Ogdensburg Harbor, N. Y., improvement of.

Ohio River:

Beaver River, Pa., construction of dam below.
Bridge at East Liverpool, Ohio, construction of.
Dam No. 2, location of.

Davis Island Dam, operating and care of
Falls of, Louisville, Ky., improvement of.

Harbor lines between Martins Ferry and Bellaire, Ohio, establishment
of.

Ice harbor at mouth of Muskingum River, construction of.

1, 423; III, 1894

1, 288; III, 1874

Ice harbors at mouths of Crawfish and Mill creeks, Cincinnati, Ohio,
examination and survey for.

Improvement of

Indiana Chute, improvement of

Louisville and Portland Canal, operating and care of.

Snagboat on, operating.

Wrecks in, removal of..

Olcott Harbor, N. Y., improvement of.

Old Chatham Roads, Mass., removal of wreck in.

Olympia. Wash., improvement of harbor at....
Onancock Harbor, Va., improvement of....
Ontario, Lake:

See also Northern and Northwestern Lakes.
Water levels.

Ontonagon, Mich., improvement of harbor at.

1, 289; III, 1890

1, 441; VI, 3430, 3436
1, 311; IV, 2026

Orange County, Tex., construction of bridge across Cow Bayou by

Osage River, Mo., improvement of..

Oswego Harbor, N. Y., improvement of.

Otter Creek, Vt., improvement of..

Ouachita River, Ark. and La., improvement of.

Outer Middle Ground, Chesapeake Bay, removal of wreck on..

I, 426

1, 260; III, 1620
1, 386; IV, 2476
1, 391; IV, 2497
1, 241; III, 1455
1, 152; 11, 987

Passaic County, N. J., construction of bridge across Passaic River at Passaic by. 1, 428
Passaic, N. J., construction of bridge across Passaic River

I, 428